Table of Contents
Advertisement
Maintenance and Troubleshooting
Troubleshooting
Table 5-3. SSU-2000 Troubleshooting Procedures (Continued)
Symptom
Any amber LED on
Input module
No output signal on
the output panel
Troubleshooting the SDU-2000
The buffer module in the SDU-2000e collects status information from the Output
modules and relays status messages to the SSU-2000. The status messages alert
the SSU-2000 when a possible problem exists; they can be accessed through the
SSU-2000 using a terminal or PC using a terminal emulation software. Refer to
Establishing a Connection With the
connecting to an SSU-2000 for troubleshooting.
procedures for the SDU-2000.
Note: If fault isolation and corrective action have been performed and
the problem persists, contact Symmetricom Global Services.
Table 5-4. SDU-2000e Troubleshooting Procedures
Symptom
Output module Fault
indicator is on
Output module Fault
indicator is flashing Amber
Output module Source
indicator is amber
120 SSU-2000 User's Guide
Probable Cause
No signal to the input panel
No input signal on cable
connected to I/O adapter panel.
I/O adapter panel is not
connected to the Input module.
Port is not turned on.
The I/O adapter panel is not
connected to the Output module.
Probable Cause
Loose module
Fault on distribution cabling
Loss of clock signal
Clock modules in main chassis
are in Warm-up mode
Troubleshooting
Procedure/Corrective Action
Ensure signals are properly routed to
the input panel.
Replace no-signal cable with signaled
cable.
Connect the I/O adapter panel to the
Input module.
Use the appropriate command to turn
the port on.
Connect the I/O adapter panel to the
Output module.
SSU-2000, on page 88, for more information on
Table 5-4
Procedure/Corrective Action
Re-seat module.
Verify that cabling is connected
properly. Replace cabling as
needed.
Ensure cabling to main chassis is
secure and correctly installed.
No action necessary.
12713020-002-2 Revision D – April 2004
outlines troubleshooting
Troubleshooting
Advertisement
Table of Contents
Troubleshooting
